Ohio Rev. Code § 3105.49: Privileged communications.

(A) Subject to sections 3105.50 and 3105.51 of the Revised Code, a collaborative family law communication is privileged under division (B) of this section, is not subject to discovery, and is not admissible in evidence.

(B) In a proceeding, the following privileges apply:

(1) A party may refuse to disclose, and may prevent any other person from disclosing, a collaborative family law communication.

(2) A nonparty participant may refuse to disclose, and may prevent any other person from disclosing, a collaborative family law communication of the nonparty participant.

(C) Evidence or information that is otherwise admissible or subject to discovery does not become inadmissible or protected from discovery solely by reason of its disclosure or use in a collaborative family law process.